Gel probe photocurrent measurement of cuprous oxide films

被引：3

作者：

Duan, Ziquing ^{[2
]}

Pereira, Nathalie ^{[1
]}

Lu, Yicheng ^{[2
]}

Du Pasquier, Aurelien ^{[1
]}

机构：

[1] Rutgers State Univ, Dept Mat Sci & Engn, N Brunswick, NJ 08902 USA

[2] Rutgers State Univ, Dept Elect & Comp Engn, Piscataway, NJ 08854 USA

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2010年 / 94卷 / 10期

基金：

美国国家科学基金会;

关键词：

Cu2O; Gel; Photocurrent; CHEMICAL-VAPOR-DEPOSITION; THIN-FILMS; COPPER(I) OXIDE; N-TYPE; CU2O; FABRICATION; BEHAVIOR; KINETICS;

D O I：

10.1016/j.solmat.2010.05.039

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

We describe a new method and gel probe for measuring photocurrent action spectra of cuprous oxide thin films, without the need for assembling solar cells or using a liquid electrolyte cell. Thus, external quantum efficiency of photoactive films can be measured directly without coating a transparent conducting oxide layer or using metal evaporation for contacts. With an aqueous gel, we observe dissolution of the CuO and Cu2O layers, causing photocurrent decay. Replacement of the aqueous gel electrolyte with a non-aqueous gel electrolyte significantly stabilized photocurrents. A mechanism is proposed to account for all the electrochemical observations. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：1741 / 1746

页数：6

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